automatic transmission TOYOTA COROLLA 2003 E120 / 9.G Scheduled Maintenance Guide

Toyota Maintenance and Repair Support13
ToyotaService Manuals
If you’ll be doing some of your own maintenance and repair work on your vehi-
cle, a Toyota service manual will be one of your most valuable tools. Toyota offers
three types of manuals to assist do-it-yourselfers. To order any of the following
manuals, call Toyota’s service publications department at (800) 622-2033.
Vehicle Repair Manual
This is the same manual used by professional technicians in Toyota dealerships
throughout the United States. It is fully illustrated and includes maintenance and
repair procedures for all vehicle mechanical systems. It also includes instructions
forvehicle tune-ups.
Electrical Systems Manual
This manual provides detailed wiring diagrams for each electrical system in your
vehicle, along with troubleshooting tips and repair procedures.
Automatic Transmission/Transaxle Repair Manual
This manual includes complete procedures foroverhauling the automatic trans-
mission/transaxle of your vehicle.
For information on basic do-it-yourself maintenance items, see the “Vehicle
Maintenance and Care” and “Do-It-Yourself Maintenance” sections of your
Owner’s Manual.

General Maintenance Information17
Explanation of Maintenance Items
The following descriptions are provided to give you a better understanding of
the maintenance items that should be performed on your vehicle. The scheduled
maintenance log indicates at which mileage/time intervals each item should be
performed. Please note that many maintenance items should be performed only
by a qualified technician.
For further information on maintenance items you can perform yourself,
see the “Vehicle Maintenance and Care” and “Do-It-Yourself Maintenance”
sections of your
Owner’s Manual.
Air Conditioning Filter
Replace at specified intervals.
Automatic Transmission Fluid or Manual Transmission Oil
Replace at specified intervals. When performing inspections, check each com-
ponent for signs of leakage. If you discover any leakage, have it repaired by a
qualified technician immediately.
Ball Joints and Dust Covers
Check the suspension and steering linkage ball joints for looseness and damage.
Check all dust covers for deterioration and damage. Replace any deteriorated or
damaged parts. A qualified technician should perform these operations.
Brake Lines and Hoses
Visually inspect for proper installation. Checkforchafing, cracks, deterioration
and signs of leakage. Replace any deteriorated or damaged parts. A qualified
technician should perform these operations.
Brake Linings/Drums and Brake Pads/Discs
Check the brake linings (shoes) and drums for scoring, burning, fluid leakage,
broken parts and excessive wear. Check the pads for excessive wear and the
discs for runout, excessive wear and fluid leakage. Replace any deteriorated
or damaged parts. A qualified technician should perform these operations.
Differential Oil
Replace at specified intervals. When performing inspections, check each
component for signs of leakage. If you discover any leakage, have it repaired
by a qualified technician immediately.

1 Specific services apply to specific operating conditions. See page 16 for details.2 Applies to Corolla Matrix 4WD only.3 Do not replace if replaced at 22,500 miles.4 Applies to manual transmission models only.
Maintenance Log: 2003 Corolla and Corolla Matrix
30,000 Miles or 24 Months
30,000 Miles or 24 Months
❑Replace engine air filter
❑Replace engine coolant
❑Replace engine oil and oil filter
❑Rotate tires
❑Inspect the following:__ Ball joints and dust covers
__ Brake lines and hoses
__ Brake linings/drums and brake pads/discs
__ Drive shaft boots
__ Exhaust pipes and mountings
__ Front differential oil
__ Fuel lines and connections, fuel tank band
and fuel tank vapor vent system hoses
Additional Maintenance Items forSpecial Operating Conditions:1
❑Inspect automatic transmission fluid
❑Inspect nuts and bolts on chassis and body
❑Replace air conditioning filter3
❑Replace front differential oil4
❑Replace manual transmission oil
❑Replace rear differential oil2
❑Replace transfer case oil2
Scheduled Maintenance Log25
Dealer Service Verification:
Date:
Mileage:
__ Fuel tank cap gasket
__ Radiator core
__ Rear differential oil
2
__ Steering gear box
__ Steering linkage and boots
__ Transfer case oil
2
__ Transmission fluid or oil

1 Specific services apply to specific operating conditions. See page 16 for details.2 Initial inspection at 60,000 miles. Inspect every 15,000 miles thereafter.3 Applies to Corolla Matrix 4WD only.
Maintenance Log: 2003 Corolla and Corolla Matrix
60,000 Miles or 48 Months
60,000 Miles or 48 Months
❑Replace engine air filter
❑Replace engine coolant
❑Replace engine oil and oil filter
❑Rotate tires
❑Inspect the following:__ Ball joints and dust covers
__ Brake lines and hoses
__ Brake linings/drums and brake pads/discs
__ Drive belts
2
__ Drive shaft boots
__ Engine valve clearance
__ Exhaust pipes and mountings
__ Front differential oil
__ Fuel lines and connections, fuel tank band
and fuel tank vapor vent system hoses
Additional Maintenance Items forSpecial Operating Conditions:1
❑Inspect nuts and bolts on chassis and body
❑Replace air conditioning filter
❑Replace automatic transmission fluid
❑Replace front differential oil
❑Replace manual transmission oil
❑Replace rear differential oil3
❑Replace transfer case oil3
Scheduled Maintenance Log29
Dealer Service Verification:
Date:
Mileage:
__ Fuel tank cap gasket
__ Radiator core
__ Rear differential oil
3
__ Steering gear box
__ Steering linkage and boots
__ Transmission fluid or oil
__ Transfer case oil
3

5,000-Mile Maintenance Intervals
7,500-Mile Maintenance IntervalsTo determine the appropriate maintenance
interval for your vehicle, see page 15.
Dealer Service Verification:
Date:
Mileage:
Dealer Service Verification:
Date: Mileage: Dealer Service Verification:
Date: Mileage:
1 Specific services apply to specific operating conditions. See page 16 for details.2 Applies to Corolla Matrix 4WD only.3 Do not replace if replaced at 82,500 miles.4 Applies to manual transmission models only.
Maintenance Log: 2003 Corolla and Corolla Matrix
90,000 Miles or 72 Months
90,000 Miles or 72 Months
❑Replace engine air filter
❑Replace engine coolant
❑Replace engine oil and oil filter
❑Rotate tires
❑Inspect the following:__ Ball joints and dust covers
__ Brake lines and hoses
__ Brake linings/drums and brake pads/discs
__ Drive belts
__ Drive shaft boots
__ Exhaust pipes and mountings
__ Front differential oil
__ Fuel lines and connections, fuel tank band
and fuel tank vapor vent system hoses
Additional Maintenance Items forSpecial Operating Conditions:1
❑Inspect automatic transmission fluid
❑Inspect nuts and bolts on chassis and body
❑Replace air conditioning filter3
❑Replace front differential oil4
❑Replace manual transmission oil
❑Replace rear differential oil2
❑Replace transfer case oil2
Scheduled Maintenance Log33
Dealer Service Verification:
Date:
Mileage:
__ Fuel tank cap gasket
__ Radiator core
__ Rear differential oil
2
__ Steering gear box
__ Steering linkage and boots
__ Transfer case oil
2
__ Transmission fluid or oil

1 Specific services apply to specific operating conditions. See page 16 for details.2 Required under the terms of the Emission Control Warranty.3 Applies to Corolla Matrix 4WD only.4 Do not replace if replaced at 112,500 miles.
Maintenance Log: 2003 Corolla and Corolla Matrix
120,000 Miles or 96 Months
120,000 Miles or 96 Months
❑Replace engine air filter
❑Replace engine coolant
❑Replace engine oil and oil filter
❑Replace spark plugs2
❑Rotate tires
❑Inspect the following:__ Ball joints and dust covers
__ Brake lines and hoses
__ Brake linings/drums and brake pads/discs
__ Drive belts
__ Drive shaft boots
__ Engine valve clearance
__ Exhaust pipes and mountings
__ Front differential oil
__ Fuel lines and connections, fuel tank band
and fuel tank vapor vent system hoses
Additional Maintenance Items forSpecial Operating Conditions:1
❑Inspect nuts and bolts on chassis and body
❑Replace air conditioning filter
❑Replace automatic transmission fluid
❑Replace front differential oil
❑Replace manual transmission oil
❑Replace rear differential oil3
❑Replace transfer case oil3
Scheduled Maintenance Log37
Dealer Service Verification:
Date:
Mileage:
__ Fuel tank cap gasket
__ Radiator core
__ Rear differential oil
3
__ Steering gear box
__ Steering linkage and boots
__ Transmission fluid or oil
__ Transfer case oil
3